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//  Copyright Microsoft Corporation
//  Licensed under the Apache License, Version 2.0 (the "License");
//  you may not use this file except in compliance with the License.
//  You may obtain a copy of the License at
//  http://www.apache.org/licenses/LICENSE-2.0
//  Unless required by applicable law or agreed to in writing, software
//  distributed under the License is distributed on an "AS IS" BASIS,
//  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
//  See the License for the specific language governing permissions and
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//  ----------------------------------------------------------------------------------

namespace DurableTask.Core
{
    using System;
    using System.Collections.Generic;
    using System.Text;

    /// <summary>
    /// NullObjectTraceContext is for the behavior which is not supported the Distributed Tracing
    /// </summary>
    public class NullObjectTraceContext : TraceContextBase
    {
        /// <inheritdoc />
        public override TimeSpan Duration => TimeSpan.MinValue;
        /// <inheritdoc />
        public override string TelemetryId => "NullObjectTraceContextTelemetryId";
        /// <inheritdoc />
        public override string TelemetryContextOperationId => "NullObjectTraceContextOperationId";
        /// <inheritdoc />
        public override string TelemetryContextOperationParentId => "NullObjectTraceContextParentId";
        /// <inheritdoc />
        public override void SetParentAndStart(TraceContextBase parentTraceContext)
        {
            
        }
        /// <inheritdoc />
        public override void StartAsNew()
        {
            
        }
    }
}
